Invention Grant
- Patent Title: Valve extension tool
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Application No.: US17110736Application Date: 2020-12-03
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Publication No.: US11577368B2Publication Date: 2023-02-14
- Inventor: Albert E. Butterfield, IV
- Applicant: Chevron U.S.A. Inc.
- Applicant Address: US CA San Ramon
- Assignee: Chevron U.S.A. Inc.
- Current Assignee: Chevron U.S.A. Inc.
- Current Assignee Address: US CA San Ramon
- Agency: King & Spalding LLP
- Main IPC: B25B9/02
- IPC: B25B9/02 ; F16K31/60

Abstract:
A valve extension tool is configured to operate a hand wheel of a valve. The valve extension tool includes a handle configured for operation by a first operator and a pipe assembly connected to the handle. The pipe assembly includes a proximal pipe segment connected to the handle, a crank connected to the proximal pipe segment and configured for operation by a second operator, and a distal pipe segment connected to the crank. In addition, the valve extension tool includes a front pipe segment connected to the distal pipe segment of the pipe assembly. Further, the valve extension tool includes a joint connected to the front pipe segment, wherein the joint is configured to engage a hand wheel of a valve.
Public/Granted literature
- US20220176519A1 VALVE EXTENSION TOOL Public/Granted day:2022-06-09
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